OPERATING MANUAL
AIR CONDITIONER
Duct Type
P/N9374379460
KEEP THIS MANUAL
FOR FUTURE REFERENCE
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CONTENTS
SAFETY PRECAUTIONS ........................................ 1
FEATURES AND FUNCTIONS ............................... 3
NAME OF PARTS ................................................... 4
PREPARATORY OPERATION ................................ 5
OPERATION ........................................................... 6
TIMER FUNCTIONS ............................................... 8
ON/OFF TIMER ....................................................... 8
WEEKLY TIMER ...................................................... 9
SAFETY PRECAUTIONS
L Do not attempt to install this air conditioner by yourself.
L This unit contains no user-serviceable parts. Always consult authorized service personnel
for repairs.
L When moving, consult authorized service personnel for disconnection and installation of
the air conditioner.
L Do not become excessively chilled by staying for many hours in the direct cooling airflow.
L Do not insert fingers or objects into the outlet port or intake grilles.
L
Do not start and stop air conditioner operation by turning off the electrical breaker and so on
.
L In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the
electrical breaker, and consult authorized service personnel.
L In the event of refrigerant leakage , be sure to keep away from fire or any flammables.
(consult authorized service personnel)
L Provide occasional ventilation during use.
L Do not direct air flow at fireplaces or heating apparatus.
L Do not climb on, or place objects on, the air conditioner.
L Do not hang objects from the indoor unit.
L Do not set flower vases or water containers on top of air conditioners.
L Do not expose the air conditioner directly to water.
L Do not operate the air conditioner with a wet hand. An electric shock may result.
L Do not touch the switches with sharp objects.
L Turn off power source when not using the unit for extended periods.
L Always turn off the electrical breaker whenever cleaning the air conditioner or changing the
air filter.
L Connection valves become hot during Heating; handle with care.
L Check the condition of the installation stand for damage.
L Do not place animals or plants in the direct path of the air flow.
L When restarting after a long period of disuse in the winter, turn the power switch on at least
12 hours before starting the unit.
L Do not drink the water drained from the air conditioner.
L Do not use the air conditioner for other purposes. In order to avoid any quality deteriora-
tion, do not use the unit for cooling precision instruments, food, planets, animals or works
of art.
L Do not apply any heavy pressure to radiator fins.
L Operate only with air filters installed.
L Do not block or cover the intake grille and outlet port.
L Ensure that any electronic equipment is at least 1m away from either the indoor or outdoor
units.
L Avoid installing the air conditioner near a fireplace or other heating apparatus.
L When installing the indoor and outdoor units, take precautions to prevent access by in-
fants.
L Do not use inflammable gases near the air conditioner.
L Install the drain hose so that it drains water properly.
L Before using the appliance, read these “SAFETY PRECAUTIONS” thoroughly and operate in the correct way.
L The instructions in this section all relate to safety; be sure to maintain safe operating conditions.
L “DANGER”, “WARNING” and “CAUTION” have the following meanings in these instructions:
TEMPERATURE SET BACK TIMER ......................11
ECONOMY OPERATION ...................................... 12
CLEANING AND CARE ......................................... 12
TROUBLESHOOTING .......................................... 13
OPERATING TIPS ................................................. 14
SELF-DIAGNOSIS ................................................ 16
TEMPERATURE AND HUMIDITY RANGE ........... 16
WARNING!
This mark indicates procedures which, if improperly performed, might lead to the death
or serious injury of the user or service personnel.
CAUTION!
This mark indicates procedures which, if improperly performed, might possibly result in
personal harm to the user, or damage to property.
DANGER!
CAUTION!
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L To install a unit that uses R410A refrigerant, use dedicated tools and piping mate-
rials that have been manufactured specifically for R410A use. Because the pressure of R410A refrigerant is approximately 1.6 times higher than the R22, failure to
use dedicated piping material or improper installation can cause rupture or injury.
Furthermore, it can cause serious accidents such as water leakage, electric shock, or fire.
L
This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety. Children should be supervised to ensure that they do not play with the appliance.
L
When the thunder sounds and the lightning malfunction strike, do not touch the outdoor unit.
If the lightning strike, it can cause malfunction or electric shock.
L
Do not place other electric appliance or furniture under the outdoor unit and under the outlet
port of indoor unit. The water may drop and can cause the taint damage or fault.
L
Keep clean and do not place the things around the outdoor unit. If covered with fallen leaves,
it can cause the fault by the small animals or insects coming into and touch the internal electric parts.
L
Do not stand on unstable steps when operating or cleaning the air conditioner. It may overturn and can cause the injury.
L
Does not install the indoor unit and the outdoor unit in the following areas:
L
Area with high salt content, such as at the seaside. It will deteriorate metal parts, causing
the parts to fail or the unit to leak water.
L
Area filled with mineral oil or containing a large amount of splashed oil or steam, such as a
kitchen. It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.
L
Area that generates substances that adversely affect the equipment, such as sulfuric gas,
chlorine gas, acid, or alkali. It will cause the copper pipes and brazed joints to corrode,
which can cause refrigerant leakage.
L
Area containing equipment that generates electromagnetic interference. It will cause the
control system to malfunction, preventing the unit from operating normally.
L
Area that can cause combustible gas to leak, contains suspended carbon fibers or flammable dust, or volatile inflammables such as paint thinner or gasoline. If gas leaks and settles
around the unit, it can cause a fire.
L
Area where small animals may live. It may cause failure, smoke or fire if small animals enter
and touch internal electrical parts.
L
Area where animals may urinate on the unit or ammonia may be generated.
CAUTION!
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FEATURES AND FUNCTIONS
N
Convenient function
WEEKLY TIMER
Use this timer function to set operating times for each day of
the week. Use the DAY OFF setting to switch off timed operation for a selected day in the coming week. Because all days
can be set together, the weekly timer can be used to repeat
the timer settings for all of the days.
TEMPERATURE SET BACK TIMER
Use this timer function to change the set temperature in the
operation times set for each day of the week. This can be used
together with other timer settings.
INVERTER
At the start of operation, large amount of power is used to
bring the room quickly to the desired temperature. Afterwards,
the unit automatically switches to a low power setting for economic and comfortable operation.
ECONOMY OPERATION
When ECONOMY operation mode is operated, the room temperature will be little higher than the set-temp under cooling
mode and lower than set-temp under heating mode. Therefore,
the ECONOMY mode is able to save more energy than other
normal mode.
AUTO CHANGEOVER
The operation mode (cooling, dry, heating) is switched automatically to maintain the set temperature, and the temperature
is kept constant at all times.
N
Energy saving and
Comfortable function
WIRED REMOTE CONTROLLER
The wired remote controller allows convenient control of indoor
unit operation.
WIRELESS REMOTE CONTROLLER (OPTION)
The optional wireless remote controller can be used.When you
use remote controller, there are following different points as
compared with using wired remote controller.
[ The additional function for wireless ones ]
•
SLEEP
•
TIMER
And you can use both wireless and wired remote controller
simultaneously. (But function is limited.)
[ The restricted functions for wired ones ]
•
Weekly timer
•
Temperature set back timer
N
Remote controller
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NAME OF PARTS
Remote controller
START/STOP Button
SET TEMP. (Temperature) Button
MODE Button
FAN Button
ECONOMY Button
TIMER MODE (CLOCK ADJUST) Button
DAY (DAY OFF) Button
SET BACK Button
SET TIME ( < > ) Button
TIMER DELETE Button
TIMER SET Button
Vertical Airflow Direction and
Swing Button
*1
Horizontal Airflow Direction and
Swing Button
*2
MAINTENANCE(FILTER RESET) Button
#1
Operation Lamp
Timer and Clock Display
Operation Mode Display
Fan Speed Display
Operation Lock Display
Temperature Display
Function Display
Defrost Display
Thermo Sensor Display
ECONOMY Display
Vertical Swing Display
*3
Filter Display
#1
*
1~3 These functions cannot be used.
(Please also see the operating manual
of the option when using it with options,
etc.)
#
1 Can be used if set correctly during
installation. Please consult authorized
serviceman when using this function.
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PREPARATORY OPERATION
Press the TIMER MODE (CLOCK
ADJUST) button for 2 seconds
or more. The time display on the
remote controller will flash.
2
SU MO TU WE TH FR SA
Press the DAY button and select the current day.
A
appears around the selected day.
Press the SET TIME (< >) buttons to set the current time.
Press repeatedly to adjust the current time in 1-minute increments. Press and hold to adjust the current time in 10-minute
increments.
ex. Monday 23:00
Press again to end.
SUMOTUWETH FR
SA
1
3
5
Press the SET BACK button to switch between the
12- and 24-hour time displays.
3
4
SUMOTUWETH FR
SA
SUMOTUWETH FR
SA
SET BACK
Set the current day and time
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